Properties of the Number -19957

Nineteen Thousand Nine Hundred Fifty-Seven

Basics

Value: -19958 → -19957 → -19956

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 2851

Divisors: 1, 7, 2851, 19957

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110111110101

Octal: -46765

Duodecimal: -B671

Hexadecimal: -4df5

Square: 398281849

Square Root: 141.2692464763651

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of 1s) is a part. A241506

T(n,k)=Number of (n+3)X(k+3) binary arrays with no more than one of any consecutive four bits set in any row or column. A203048

Number of endofunctions on [n] whose cycle lengths are squares. A273997

Number of (n+3) X 4 binary arrays with no more than one of any consecutive four bits set in any row or column. A203041

Number of (n+3)X8 binary arrays with no more than one of any consecutive four bits set in any row or column. A203045

Number of length 4+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248541

Partial sums of orders of finite perfect groups (A060793). A121513